APA
Gray A., . (1814). Explanation of the engravings of the most important implements of husbandry used in Scotland. Edinburgh: Sold by A. Constable.
Chicago
Gray Andrew, . 1814. Explanation of the engravings of the most important implements of husbandry used in Scotland. Edinburgh: Sold by A. Constable.
Harvard
Gray A., . (1814). Explanation of the engravings of the most important implements of husbandry used in Scotland. Edinburgh: Sold by A. Constable.
MLA
Gray Andrew, . Explanation of the engravings of the most important implements of husbandry used in Scotland. Edinburgh: Sold by A. Constable. 1814.